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出 处:《清华大学学报(自然科学版)》2009年第12期1905-1908,1914,共5页Journal of Tsinghua University(Science and Technology)
基 金:国家"十一五"科技支撑计划资助项目(2006BAJ03B01)
摘 要:基于可持续发展,在城市层面上研究能源生态足迹(EEF)。以城市和建筑能源供需为研究边界,计算了北京市1990—2007年的EEF变化趋势和分行业EEF值。并重点以城市中的热电联产、热电冷三联供能源系统和建筑能源系统方案为案例进行EEF分析。结果表明:EEF可作为能源系统评价的依据之一;提高能源利用效率,实现节能减排是降低常规化石能源的EEF有效途径;满足建筑能源需求的EEF可达到建筑面积的100倍。The energy ecological footprint(EEF) of urban energy system was analyzed as a function of the urban and building energy used to promote urban energy usage based sustainable development.The changes in the EEF were calculated for 1990—2007 for each industry in Beijing based on the boundary between the energy supply and energy demand sides.An EEF case study was analyzed for a combined heat and the power system(CHP),a combined cooling,heating and power system(CCHP),and other building energy systems.The results show that the EEF is a good indicator for evaluating urban energy systems.Improvements in the energy use efficiency and reductions of carbon emissions can reduce the EEF for fossil fuel consumption.A reasonable EEF should be 100 times the building area to meet the building energy demand.
关 键 词:城市能源系统 能源生态足迹 热电联产 热电冷三联供
分 类 号:TU995[建筑科学—供热、供燃气、通风及空调工程] X32-013[建筑科学—市政工程]
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